Home / 273,287.12-409,942.96-83,733.60

Finding the Fourth Proportional to 273,287.12, 409,942.96 and 83,733.60

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Solution

The fourth proportional to 273,287.12, 409,942.96 and 83,733.60 is: 125,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,287.12 : 409,942.96 = 83,733.60 : x
  2. Step 2: Convert to fraction form
    273,287.12/409,942.96 = 83,733.60/x
  3. Step 3: Cross multiply
    273,287.12x = 409,942.96 × 83,733.60
  4. Step 4: Simplify right side
    273,287.12x = 34,325,999,835.46
  5. Step 5: Solve for x
    x = 34,325,999,835.46/273,287.12
  6. Step 6: Final answer
    x = 125,604.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.